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I have a 17658x1 double matrix. I want to find the values of indices when matrix elements are equal to k(here .1).

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Abhishek Maurya
Abhishek Maurya 2018-2-24
编辑： Abhishek Maurya 2018-2-25
I have a 17658x1 double matrix. I want to find the values of indices when matrix elements are equal to k(here .1).

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Birdman
Birdman 2018-2-24
For instance, imagine you want to find 1 in a randomly generated matrix:
A=randi([1 5],17658,1);&demo data
idx=find(A==1);
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Abhishek Maurya
Abhishek Maurya 2018-2-25
编辑：Abhishek Maurya 2018-2-25
Thankyou so much. idx=find(A==k); is working properly for floating numbers too, unless the exact value of the number is known like k=3.051757812500000e-05. Thankyou Birdman,Stephen Cobeldick.

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